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/*Copyright (c) 2011, Florent DEVILLE.                                      */
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#pragma once

//base class
#include "GRTBaseParamWidget.h"

class QLabel;
class QLineEdit;
class QGridLayout;

class GRTILight;
class GRTSpotLight;
class GRTSpotAt;

/*Parameter widget for spot light*/
class GRTParamLightSpot : public GRTBaseParamWidget
{
	Q_OBJECT

public:
	//Title
	QLabel* _title;

	//light position
	QLabel* _positionXLabel;
	QLabel* _positionYLabel;
	QLabel* _positionZLabel;
	QLineEdit* _positionXLineEdit;
	QLineEdit* _positionYLineEdit;
	QLineEdit* _positionZLineEdit;

	//at position
	QLabel* _atXLabel;
	QLabel* _atYLabel;
	QLabel* _atZLabel;
	QLineEdit* _atXLineEdit;
	QLineEdit* _atYLineEdit;
	QLineEdit* _atZLineEdit;

	//light direction
	QLabel* _dirXLabel;
	QLabel* _dirYLabel;
	QLabel* _dirZLabel;
	QLineEdit* _dirXLineEdit;
	QLineEdit* _dirYLineEdit;
	QLineEdit* _dirZLineEdit;

	//attenuation
	QLabel* _labelConstantAttenuation;
	QLineEdit* _constantAttenuationLineEdit;
	QLabel* _labelLinearAttenuation;
	QLineEdit* _linearAttenuationLineEdit;
	QLabel* _labelQuadraticAttenuation;
	QLineEdit* _quadraticAttenuationLineEdit;

	//cutoff
	QLabel* _labelCutOff;
	QLineEdit* _cutOffLineEdit;

	//exponent
	QLabel* _labelExponent;
	QLineEdit* _exponentLineEdit;


	//widget's layout
	QGridLayout* _layout;

	//pointer to the light elements
	GRTSpotLight* _spotLight;
	GRTSpotAt* _atElement;

public:
	//constructor
	GRTParamLightSpot(QWidget* parent = 0);

	//destructor
	~GRTParamLightSpot();

	//fill all the widgets with values
	void fillWidgets(GRTILight* g);

public slots:

	//slot to set the position of the position widget
	void setPosition(float x, float y, float z);

	//set the light attenuation
	void setAttenuation();

	//set exponent
	void setExponent();

	//set cutoff
	void setCutOff();

	//set the light position
	void setObjectPosition();

	//set the at position element
	void setAt();
};